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1999 gtp from nyc

N

nyls1346

New member
hey i just picked up a modded 99 gtp today, it has a 3" blower pulley, headers, exhaust, cai

ill post up some pics to see if anyone know this car or the previous owner and maybe give me some info on whatelse it has, cause it seems it might have small cam cause the idle is slightly rough
I bought it from an auction in old bridge new jersey

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Welcome..you are kinda local to me. Please pull the valve cover fill tube and look at the rockers. Wondering if they are stock. Does it idle like a cammed car?

3" is a very small pulley. Usually requires a ton of mods to run it and from the looks..your car isn't 3.0" modded. I say this because you don't want to blow up such a nice looking car.

Buickman104 is also in NYC wtih a GTP.
 
I checked them yesterday and they look to be a stock rocker to me, and like i said it definately doesnt idle smooth like it should, the idle is a little rough but ive never heard a cammed gtp so im really not sure, im into fbodies and usually i can sense a sleeper style cam in a ls engine

But someone else told me in my other thread that since i was only seeing between 12 and 13 psi boost with the 3" pulley, then something else might be done
 
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